Whenever tangible personal property is sold which is taxable hereunder, under a conditional sales contract whereby the seller retains title as security for all or part of the purchase price, or whenever the seller takes a chattel mortgage on such tangible personal property to secure all or part of the purchase price, the total tax based on the total selling price shall become immediately due and payable. The tax shall be charged, or collected and remitted by the vendor. No refund or credit shall be allowed to either party of the transaction in case of repossession. (Ord. 30, Series 2021)